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Serpentine belt route

Tiny
MATHAYUS
  • MEMBER
  • 1989 GMC C1500
  • 5.7L
  • V8
  • 4WD
  • 261,000 MILES
Looking for a diagram for the serpentine belt. Problem is it looks like it had an air pump but no longer does and the way the serpentine belt was routed doesn't match any of the diagrams I can find.
Thursday, September 5th, 2019 AT 10:55 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

In the diagrams down below I have included the vehicle manufacturers diagram for the routing for the serpentine belt on your vehicle's Original Equipment (OE). If an air pump has been removed, use the guide as a reference and wrap a length of string around the pulleys, measure the string, and if needed get access to a computer and convert the measurement of the length of the string from inches to millimeters. You should then be able to purchase the correct length belt for your engine's new configuration. Please get back to us with how everything turns out.

Thanks,
Alex
2CarPros
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Thursday, September 5th, 2019 AT 11:18 AM

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